Detroit Series 60 6 Cylinder 12.7 L Diesel 470 hp Engine, 1998 US EPA Label, 3879 Engine hrs, Engine Brake, Allison Automatic Transmission, 20000 lb Front Axle, 27000 lb Rears, 47000 lb GVWR, Bunk Beds, 325/65R22.5 Front Tires, 12R22.5 Rear Tires, Double Frame, Spring Suspension, 210 in Wheelbase, W.S Darley 20 ft Body, 500 gal Tank, Champion Fire Pump, Onan Generator